42577064 has 8 divisors (see below), whose sum is σ = 79832010. Its totient is φ = 21288528.

The previous prime is 42577063. The next prime is 42577069. The reversal of 42577064 is 46077524.

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 9972964 = 5710^2 + 3158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42577063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661059 + ... + 2661074.

Almost surely, 2^42577064 is an apocalyptic number.

It is an amenable number.

42577064 is a deficient number, since it is larger than the sum of its proper divisors (37254946).

42577064 is a wasteful number, since it uses less digits than its factorization.

42577064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322139 (or 5322135 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42577064 is about 6525.1102672675. The cubic root of 42577064 is about 349.1874046525.

The spelling of 42577064 in words is "forty-two million, five hundred seventy-seven thousand, sixty-four".